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背景:骨龄是反映青少年骨骺发育成熟程度的最佳指标。目的:对比山东省沿海和内陆地区青少年的生长发育状况及变化趋势。方法:随机选择山东省沿海地区(n=2377)和内陆地区(n=3235)9～19岁健康汉族青少年,测量其身高、体质量和胸围生长发育指标;拍摄膝踝部正位片,统计各长骨干骺融合时间。结果与结论:沿海和内陆地区男、女青少年身高、体质量和胸围均无明显差异,但同一年龄组中沿海地区测量值均大于内陆地区测量均值;沿海地区男、女青少年各长骨干骺融合时间早于内陆地区。表明山东省沿海地区青少年生长发育较内陆地区有提前的趋势。
Background: Bone age is the best indicator to reflect the developmental maturity of epiphysis. Objective: To compare the growth and development of adolescents in coastal and inland areas of Shandong Province and their changing trends. Methods: Healthy Han nationality adolescents from 9 to 19 years old in the coastal area of Shandong Province (n = 2377) and inland areas (n = 3235) were randomly selected to measure the height, body mass and the growth and development of the chest. Statistics of long bone metaphyseal fusion time. RESULTS AND CONCLUSION: There was no significant difference in body height, body mass and chest circumference between male and female adolescents both in coastal and inland areas, but the measured values in coastal areas in the same age group were greater than those in inland areas. The long trunk of male and female adolescent in coastal area Epiphysis fusion earlier than inland areas. This shows that the growth and development of adolescents in the coastal areas of Shandong Province have an earlier trend than the inland areas.